. >>> and tonight, no deal in washington. let's go "outfront." >>> good evening, everyone. "outfront" tonight, desperate for answers. investigators spent the day at the home of 20-year-old adam lanza, sweeping the house for evidence of a motive. behind the rampage in which 20 children were killed and seven adults, including his own mother. there are also new details tonight about nancy lanza's whereabouts in the days before the shooting. deborah fayerick is live outside the home tonight. what has happened there tonight and today? >> it's rather remarkable because the major crime squad has been here all day and as we push into the house, lights are on in the top and bottom floor. now, they brought back the mobile crime lab and they're processing this crime scene. investigators have not retrieved any information from the damaged computer, the one that gunman is alleged to have smashed into pieces. the hard drive so damaged the fbi is having a difficult time getting any data. so what investigators are doing now, about half a dozen of them in the house. they're going through al